This topic contains a solution. Click here to go to the answer

Author Question: Which of the following stains are only exogenous in origin? a. Intrinsic b. Extrinsic c. ... (Read 74 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
Which of the following stains are only exogenous in origin?
 a. Intrinsic
  b. Extrinsic
  c. Endogenous
  d. Both a and c

Question 2

Fine abrasives are called powders or flours and are graded F, FF, and FFF for increasing fineness; these characteristics best describe which of the following abrasives?
 a. Grit or grade
  b. Particle size
  c. Particle hardness
  d. Particle strength



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryrychapman11

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

b
RATIONALE: Extrinsic stains are exogenous in origin.

Answer to Question 2

a
RATIONALE: Fine abrasives are called powders or flours and are graded F, FF, and FFF for increasing fineness; these characteristics best describe grit or grade.




Frost2351

  • Member
  • Posts: 557
Reply 2 on: Jun 25, 2018
Excellent


tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For a complete list of videos, visit our video library